“…PTCD/ PTBS is a method of biliary tree decompression, applied as palliative treatment in patients with inoperable malignant biliary obstruction, which could not only significantly reduce bilirubin level, improve the patients life quality and prolong survival time, but also provide the possibillity for subsequent treatment (Hatzidakis et al, 2001;Iruarrizaga et al, 2011). In clinical, patients with obstructive jaundice caused by hilar cholangiocarcinoma are common, most of them have lost the chance of operation (Butthongkomvong et al, 2013;Chong et al, 2013;Duangsong et al, 2013;Huang et al, 2013;Hussain et al, 2013;Kamsa-ard et al, 2013;Manwong et al, 2013;Prachayakul et al, 2013;Sriraksa et al, 2013;Srikoon et al, 2013;Sriputtha et al, 2013;Subrungruanga et al, 2013;Thunyaharn et al, 2013;Woradet et al, 2013). Obstructive jaundice caused by hilar cholangiocarcinoma not only affects the patient's liver function, but also influence the patient's survival time.…”